Representation theory studies the ways in which abstract algebraic objects—groups, rings, algebras and categories—can act by linear transformations on vector spaces or modules. By encoding an ...

With the development of society and economy, a large number of underground structural engineering projects have emerged worldwide, such as railways, highway tunnels, hydraulic tunnels and underground ...

"In the preparation of this book the senior author's earlier Russian book ("Theory of structures,' by S. Timoshenko, 2d ed., St. Petersburg, 1926) was extensively used."--Pref.

String theory began over 50 years ago as a way to understand the strong nuclear force. Since then, it’s grown to become a theory of everything, capable of explaining the nature of every particle, ...